87217326 has 48 divisors (see below), whose sum is σ = 223423200. Its totient is φ = 24058944.

The previous prime is 87217321. The next prime is 87217337. The reversal of 87217326 is 62371278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87217321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8281 + ... + 15588.

It is an arithmetic number, because the mean of its divisors is an integer number (4654650).

Almost surely, 2^87217326 is an apocalyptic number.

87217326 is an abundant number, since it is smaller than the sum of its proper divisors (136205874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87217326 is a wasteful number, since it uses less digits than its factorization.

87217326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23913 (or 23910 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 87217326 is about 9339.0216832386. The cubic root of 87217326 is about 443.4734139408.

The spelling of 87217326 in words is "eighty-seven million, two hundred seventeen thousand, three hundred twenty-six".